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Propylene Glycol (Tech, USP) - Manufacturers, Suppliers and Exporters

Propylene Glycol, also called 1, 2-propanediol or propane-1, 2-diol, is an organic compound (double alcohol) with formula C3H8O2 or HO-CH2-CHOH-CH3. It is a colorless, nearly odorless, clear, viscous liquid with a faintly sweet taste, hygroscopic and miscible with water, acetone, and chloroform. The compound is sometimes called propylene glycol to distinguish it from the isomer propane-1, 3-diol HO-(CH2)3-OH, also called propylene glycol.

Specification:

Items Units Pharmaceutical Grade Food Grade First Grade Qualified Grade
Purity % =99.8 =99.6 =99.5 =99.0
Water % =0.2 =0.2
Initial boiling point 182 180
Drying point 189 191
Distillation Range 184~189 183~190 183~190 182~190
Color (Pt-Co) 10 10 15 25
Ash % =0.01 =0.01 =0.01 =0.02
Heavy Metal (Measured with Pb) ppm 6 6
Arsenic ppm 5 5
chlorides (Measured with Cl-) ppm 10 10
Sulphates (Measured with SO42-) ppm 10 10
Density (25 C) g/cm3 1.037~1.039
Appearance Colorless, transparent and sticky liquid


PACKAGES: Packed in iron or high density drums of 200±0.5kg net each

USAGE: Propylene glycol is a raw material for producing unsaturated of plasticizer, dehydrant, surface active agent, firming agent and binder. Moreover, PG can be used as antiseptics, ice inhibitor and moisture preserver of tobacco.